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| author | Franklin Wei <frankhwei536@gmail.com> | 2015-02-11 17:13:26 -0500 |
|---|---|---|
| committer | Franklin Wei <frankhwei536@gmail.com> | 2015-02-11 17:13:26 -0500 |
| commit | e3305e8f7c119c83fd04f1995e07ff71a1110887 (patch) | |
| tree | f95921215c215a60d80b1be068b2cccd72459ee2 /kernel/timer.c | |
| parent | 90fda5287e3dae56508a4b31e1bc4e29cd83e377 (diff) | |
| download | kappa-e3305e8f7c119c83fd04f1995e07ff71a1110887.zip kappa-e3305e8f7c119c83fd04f1995e07ff71a1110887.tar.gz kappa-e3305e8f7c119c83fd04f1995e07ff71a1110887.tar.bz2 kappa-e3305e8f7c119c83fd04f1995e07ff71a1110887.tar.xz | |
optimize interrupt performance
Diffstat (limited to 'kernel/timer.c')
| -rw-r--r-- | kernel/timer.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/timer.c b/kernel/timer.c index 7bdc1f9..bdf48eb 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -1,4 +1,5 @@ #include <stdint.h> +#include <stdio.h> #include "io.h" #include "isr.h" #include "timer.h" @@ -7,7 +8,7 @@ volatile uint64_t current_tick_data = 0; volatile const uint64_t *current_tick = ¤t_tick_data; -static void timer_callback(struct regs_t regs) +static void timer_callback(struct regs_t *regs) { (void) regs; ++current_tick_data; @@ -15,6 +16,7 @@ static void timer_callback(struct regs_t regs) void timer_init(uint32_t freq) { + printf("Timer init"); set_interrupt_handler(IRQ(0), timer_callback); current_tick_data = 0; |